Quantification and qualification of very small samples

Spectroscopy helps you to master your challenges

Thanks to comprehensive databases, spectroscopy offers excellent options for the quick, reliable identification of samples. In this way contamination can be detected quickly and the cause tackled without delay. It is also possible to identify unknown substances.

We use FTIR spectroscopy, Raman spectroscopy, energy-dispersive X-ray spectroscopy (EDX analysis), optical emission spectrometry (OES) and also UV/VIS spectroscopy, as a result we can offer you a broad spectrum of analyses for a very wide range of substances – irrespective of whether solid, liquid or gas.

+49 7022 2796-681 info@qa-group.com

Spectroscopy for quick, reliable analysis

At Quality Analysis, a comprehensive range of chemical analytical methods is available to you that, if necessary, we can use in addition to spectroscopy. Our experts provide you with detailed advice to find the most reliable and cost-effective analytical method for your sample and quickly provide you with a result that helps you to tackle your challenges.

Fast, reliable
measurement results

  • Identification of materials and substances
  • Verification of contamination, deposits and inclusions
  • Quantitative assessment of known substances
  • Material identification and material classification based on databases


With the aid of Raman spectroscopy, we analyse your samples reliably in relation to the:

  • Identification of organic and inorganic samples (e.g. plastics, fibres)
  • Composition of samples
  • Crystal orientation

Raman spectroscopy is used in these areas:

  • Residual dirt analysis
  • Verification and identification of filmic contamination
  • Identification of deposits, residues, inclusions and substances
  • Identification of materials and additives

FTIR Spectroscopy

FTIR spectroscopy is a quick, reliable method for, among others, the:

  • Identification of unknown substances
  • Determination of the structure of molecules
  • Mapping measurements for the determination of the distribution of solids

FTIR spectroscopy is used in the following areas:

  • Residual dirt analysis
  • Verification and identification of filmic contamination
  • Identification of deposits, residues, inclusions and substances
  • Identification of materials and additives


Energy-dispersive X-ray spectroscopy, EDX for short, is used in combination with a scanning electron microscope for the:

  • Determination of the chemical element composition of a sample
  • Quantitative analysis of the individual elements
  • Colour depiction of the individual elements as well as their distribution on the surface (mapping)

SEM-EDX analysis is used in the following areas:

  • Determination of the chemical element composition of metallic and non-metallic materials and substances
  • Analysis of metallic and mineral particles as well as nano particles
  • Verification and identification of contamination, deposits and inclusions
  • Damage analysis

Optical Emission Spectrometry (OES)

Optical emission spectrometry (OES), also called spark emission spectrometry, is used for the:

  • Determination of the element composition of metal alloys
  • Classification of materials based on databases
  • Precise measurement with narrow verification limits

OES is used in the following areas:

  • Analysis of alloy composition/metal alloys
  • Incoming and outgoing goods inspection
  • Damage analysis

UV/VIS spectroscopy

UV/VIS spectroscopy is a method for the:

  • Measurement of the absorption and transmission in the visible (VIS) and ultraviolet (UV) wavelength range
  • Quantitative determination of concentrations
  • Determination of the absorption maximum
  • Routine quantitative assessment of various analytes or samples, e.g. transition metal ions

Applications for spectroscopy

Spectroscopic analyses

by application

Have you not found the right spectroscopic method? We will assist you!

If you have not found what you are looking for in our application examples, for instance because you are facing a very special challenge or are from a different sector, do not hesitate to call us. Apart from existing standard work instructions, we develop individual solutions for our customers with which we can reliably analyse your sample.

Added value at Quality Analysis


You receive from us precise measurement results, even at short notice. We have both the necessary personnel and a large range of equipment with the latest spectroscopes.


We provide highly precise spectrograms of your samples in any quantity. For this purpose, we have more than 1,000 m² of accredited, permanently air-conditioned measuring rooms.

Range of equipment

Our spectroscopes are only from renowned manufacturers and are technically state-of-the-art to ensure a reliable analysis.


The accreditation of our inspection methods and measuring rooms signifies for you certainty, dependability and objectivity in all areas and at any time.

With extensive experience, excellent equipment and sound expertise, our experts obtain the best from every analytical method so that you can rely on excellent measurement results.

+49 7022 2796-681 info@qa-group.com

DAkkS accreditation according to DIN EN ISO/IEC 17025

Accredited test laboratory for spectroscopy

Chemical and physico-chemical analytics (CHA) of plastics and elastomers to determine thermal properties and composition, identification and quantification of organic and inorganic substances, materials, residues, deposits and contaminants using FT-lR and energy dispersive (EDX) spectroscopy are accredited by Deutsche Akkreditierungsstelle GmbH (DAkkS) in accordance with DIN EN ISO/IEC 17025. Furthermore, all our other specialist areas have also been accredited.

You can read more about the advantages our accreditation offers you here:

Find out more

Frequently asked questions

Which samples can be analysed using spectroscopy?

In principle, there is a spectroscopic analytical method for almost every conceivable type of sample.

Which spectroscopic methods are available?

There are many spectroscopic methods. Fundamental is the differentiation between atomic spectroscopy (e.g. X-ray spectroscopy), molecular spectroscopy (e.g. microwave spectroscopy, fluorescence spectroscopy), solid state spectroscopy, impedance spectroscopy and laser spectroscopy. FTIR and Raman spectroscopy belong to the area of molecular spectroscopy, like UV/VIS spectroscopy. Energy-dispersive X-ray spectroscopy (EDX analysis) and optical emission spectrometry (OES) can be classed as atomic spectroscopy.

While some of these methods are excellently suited to special analysis tasks or certain substance classes, others are of almost universal application.

With which analytical methods can spectroscopy be combined?

In modern chemistry, spectroscopic methods are not used in isolation. FTIR spectroscopy can be coupled with TGA for the identification and quantification of decomposition products released during the analysis of plastic.

During correlative particle analysis, SEM-EDX analysis as well as FTIR and Raman spectroscopy can be combined with light microscopy for identifying and classifying inorganic and organic particles.


the right partner

for spectroscopy

What can we analyse for you?
We would be pleased to advise you about the numerous possibilities and combined analytical methods. The goal: the best, most cost-effective and most efficient analysis of your material.

Call us, we look forward to hearing from you!